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Unreal Engine C++ API Reference > Runtime > HeadMountedDisplay
References
| Module | HeadMountedDisplay |
| Header | /Engine/Source/Runtime/HeadMountedDisplay/Public/IHeadMountedDisplayVulkanExtensions.h |
| Include | #include "IHeadMountedDisplayVulkanExtensions.h" |
Syntax
class IHeadMountedDisplayVulkanExtensions
Remarks
Query Vulkan extensions required by the HMD.
Knowledge of these extensions is required during Vulkan RHI initialization.
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
bool | GetVulkanDeviceExtensionsRequired
(
VkPhysicalDevice_T* pPhysicalDevice, |
|
 |
bool | GetVulkanInstanceExtensionsRequired
(
TArray< const ANSICHAR* >& Out |
|
   |
bool | If true and VK_PRESENT_MODE_MAILBOX_KHR is not available, VK_PRESENT_MODE_IMMEDIATE_KHR will be preferred over VK_PRESENT_MODE_FIFO_KHR when creating the swap chain for the spectator window. |